.hero--sub {
  padding-top: clamp(48px, 8vw, 88px);
  padding-bottom: clamp(32px, 5vw, 56px);
}

.hero-title--sm {
  font-size: clamp(36px, 5vw, 56px);
}

.crumbs {
  margin-top: 1.4rem;
  padding-top: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--signal-dim);
}

.crumbs a {
  color: var(--signal-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.crumbs a:hover {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

.crumb-sep {
  color: var(--hairline);
}

.crumb-now {
  color: var(--signal);
}

.tag-rail {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.2rem 0 2rem;
}

.tag-rail button {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--signal-dim);
  background: transparent;
  border: 1px solid var(--hairline);
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.tag-rail button:hover {
  border-color: var(--ember);
  color: var(--signal);
}

.tag-rail button.on {
  border-color: var(--ember);
  color: var(--ember);
  background: var(--ember-tint);
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.4rem;
}

.post-card {
  border: 1px solid var(--hairline);
  background: var(--deck-1);
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  box-shadow: 0 0 0 1px transparent;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.post-card:hover {
  border-color: var(--ember);
  box-shadow: 0 0 24px var(--halo-faint);
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.post-date {
  color: var(--signal-dim);
}

.post-title {
  font-family: var(--font-display);
  font-size: 1.24rem;
  line-height: 1.35;
  margin: 0;
}

.post-title a {
  color: var(--signal);
  text-decoration: none;
}

.post-title a:hover {
  color: var(--ember);
}

.post-sum {
  color: var(--signal-dim);
  font-size: 0.94rem;
  line-height: 1.6;
  flex: 1;
}

.post-more {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ember);
  text-decoration: none;
  align-self: flex-start;
}

.post-more:hover {
  color: var(--signal);
}

.post-empty {
  color: var(--signal-dim);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.article-hero {
  padding-top: clamp(24px, 4vw, 40px);
  padding-bottom: clamp(24px, 4vw, 40px);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--signal-dim);
  margin-bottom: 1.2rem;
}

.article-title {
  font-family: var(--font-display);
  font-size: clamp(30px, 4.4vw, 46px);
  line-height: 1.18;
  margin: 0 0 1rem;
  color: var(--signal);
}

.article-lede {
  font-size: 1.06rem;
  color: var(--signal-dim);
  line-height: 1.7;
  max-width: 760px;
}

.article-body {
  max-width: 760px;
}

.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--signal);
  margin: 2.6rem 0 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--hairline);
}

.article-body h2:first-child {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.28rem;
  color: var(--signal);
  margin: 1.8rem 0 0.8rem;
}

.article-body p {
  color: var(--signal);
  opacity: 0.92;
  line-height: 1.85;
  margin: 0 0 1.1rem;
  font-size: 1rem;
}

.article-body ul,
.article-body ol {
  color: var(--signal);
  opacity: 0.92;
  line-height: 1.85;
  margin: 0 0 1.2rem;
  padding-left: 1.4rem;
}

.article-body li {
  margin-bottom: 0.5rem;
}

.article-body pre {
  background: var(--deck-2);
  border: 1px solid var(--hairline);
  padding: 1.1rem 1.3rem;
  overflow-x: auto;
  margin: 0 0 1.4rem;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--signal);
}

.article-body p code,
.article-body li code {
  background: var(--deck-2);
  padding: 0.1rem 0.4rem;
  border: 1px solid var(--hairline);
}

.article-body blockquote {
  border-left: 2px solid var(--ember);
  margin: 0 0 1.4rem;
  padding: 0.4rem 0 0.4rem 1.2rem;
  color: var(--signal-dim);
  font-style: italic;
}

.post-dl-card {
  max-width: 760px;
  border: 1px solid var(--ember);
  background: var(--deck-1);
  box-shadow: 0 0 32px var(--halo-faint);
  padding: 2rem;
  margin: 3rem 0;
}

.post-dl-card h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 0 0 0.6rem;
  color: var(--signal);
}

.post-dl-card p {
  color: var(--signal-dim);
  margin: 0 0 1.2rem;
  line-height: 1.7;
}

.related-block {
  max-width: 760px;
  margin: 3rem 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.2rem;
}

.related-grid .post-card {
  padding: 1.2rem;
}

.related-grid .post-title {
  font-size: 1.06rem;
}

.post-nav {
  max-width: 760px;
  display: flex;
  gap: 1.2rem;
  margin: 2.4rem 0 4rem;
  border-top: 1px solid var(--hairline);
  padding-top: 1.6rem;
}

.post-nav-link {
  flex: 1;
  border: 1px solid var(--hairline);
  padding: 1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.post-nav-link:hover {
  border-color: var(--ember);
  box-shadow: 0 0 20px var(--halo-faint);
}

.post-nav-next {
  text-align: right;
}

.post-nav-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ember);
}

.post-nav-title {
  color: var(--signal);
  font-size: 0.92rem;
  line-height: 1.5;
}

.post-nav-spacer {
  flex: 1;
}

.dl-fab {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--ember);
  color: var(--void);
  border: 1px solid var(--signal);
  padding: 0.75rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  text-decoration: none;
  box-shadow: 0 0 28px var(--halo);
}

.dl-fab:hover {
  background: var(--ember-deep);
}

@media (max-width: 720px) {
  .post-grid {
    grid-template-columns: 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .post-nav {
    flex-direction: column;
  }

  .post-nav-next {
    text-align: left;
  }
}